What on Earth? (2015)

 Himself - Military Analyst (6 episodes, 2015)

 Himself - Narrator (6 episodes, 2015)

 Himself - Meterologist: Arizona State University (5 episodes, 2015)

 Himself (archive footage) (2 episodes, 2015)

 Ex-Navy Intelligence Officer / ... (5 episodes, 2015)

 Himself - Author: Above Top Secret / ... (3 episodes, 2015)

 Himself - Technology Analyst (5 episodes, 2015)

 Himself - Earth Scientist: New York University (2 episodes, 2015)

 Himself - Ex-CIA Operative (4 episodes, 2015)

 Himself - Storm Chaser (3 episodes, 2015)

 Himself - Archaeologist: Trinity Southwest University (3 episodes, 2015)

 Himself - Astrobiologist: University of Buckingham (2 episodes, 2015)

 Himself - Journalist (5 episodes, 2015)

 Himself - Author: The Lost Testament / ... (3 episodes, 2015)

 Himself - Satellite Image Analyst: Arizona State University (4 episodes, 2015)

 Himself - Miiitary Historian: National Defense University (4 episodes, 2015)

 Himself - Author: Phoenix Island (4 episodes, 2015)

 Himself - Biologist: North Carolina Museum of Natural Sciences (4 episodes, 2015)

 Himself - Biologist (5 episodes, 2015)

 Himself - Geologist: University of Colorado (5 episodes, 2015)

 Herself - Geologist: Boise State University (4 episodes, 2015)

 Himself - Military Analyst: Stanford University (4 episodes, 2015)

 Himself - Geologist: Missouri State University (3 episodes, 2015)

 Herself - Satellite Imagery Analyst (3 episodes, 2015)

 Himself - Satellite Meteorologist: Colorado State University (2 episodes, 2015)

 Himself - Archaeologist: University College London (3 episodes, 2015)

 Himself - Archaeologist: Nasca-Palpa Project / ... (2 episodes, 2015-2016)

 Herself - Archaeologist: University of Pennsylvania / ... (2 episodes, 2015-2016)

 Herself - Amateur Archaeologist / ... (2 episodes, 2015-2016)

 Herself - Archaeologist: University of Southhampton / ... (2 episodes, 2015-2016)

 Himself - Earth Observation Specialist (2 episodes, 2015-2016)

 Himself - Aboriginal Australian (2 episodes, 2015-2016)

 Author: The Postman / ... (1 episode, 2015)

 Himself - Nuclear Physicist (1 episode, 2015)

 Himself (archive footage) (1 episode, 2015)

 Himself (archive footage) (1 episode, 2015)

 Himself - Military Analyst (2 episodes, 2016)

 Himelf - Freemason Historian (1 episode, 2015)

 Himself - Explorer (2 episodes, 2016)

 Himself - Astronomer: Southwest Research Institute (1 episode, 2015)

 Himself - Journalist (2 episodes, 2015-2016)

 Himself - Professor, Archaeologist (2 episodes, 2016)

 Himself - Author: The Lost City of Z (1 episode, 2015)

 Himself - Anthropologist: University of Miami (1 episode, 2015)

 Himself - Image Analyst (1 episode, 2016)

 Himself - Historian: Nagasaki Institute of Applied Science (1 episode, 2015)

 Himself - Geographer, Kings College, London / ... (2 episodes, 2015-2016)

 Himself - Journalist (1 episode, 2015)

 Himself - Astronaut: NASA (1 episode, 2015)

 Himself - Blackfoot Medicine Man (1 episode, 2015)

 Himself - Polar Research Specialist: Scott Polar Research Institute - University of Cambridge (1 episode, 2015)

 Himself - Archaeologist Kings College, London / ... (2 episodes, 2015-2016)

 Himself - Oceanographer: Scripps Institution of Oceanography (1 episode, 2015)

 Himself - Maritime Historian: University of Greenwich (1 episode, 2015)

 Himself - Ex-US Navy Rescue Diver (1 episode, 2015)

 Himself - Archaeologist: University of Miami (1 episode, 2015)

 Himself - Archaeologist: University of Miami (1 episode, 2015)

 Himself - Military Strategist: Georgetown University (1 episode, 2015)

 Himself - Entomologist: Florida State University (2 episodes, 2015-2016)

 Himself - Geologist: University of West Australia (1 episode, 2015)

 Himself - Meterologist (1 episode, 2015)

 Himself - Meterologist (1 episode, 2015)

 Herself - Research Scientist: Florida Institute of Technology (1 episode, 2015)

 Himself - Ex-Chief of Police: LAX (1 episode, 2015)

 Himself - Eyewitness (1 episode, 2015)

 Himself - Local Radio Host (1 episode, 2015)

 Himself - Archaeologist: University of Oxford (1 episode, 2015)

 Himself - Ex-Captain: SS Lima (1 episode, 2015)

 Himself - Astronaut: NASA (2 episodes, 2015-2016)

 Himself - Archaeologist, Trinity Southwest University / ... (2 episodes, 2015-2016)

 Himself - Investigtive Journalist (1 episode, 2015)

 Himself - Director: Nagasaki Peace Museum (1 episode, 2015)

 Himself - Former Resident (1 episode, 2015)

 Himself - Science Journalist: Nature / ... (1 episode, 2015)

 Herself (1 episode, 2015)

 Herself - Neurologist: Boston University (1 episode, 2015)

 Himself - Military Analyst (1 episode, 2015)

 Herself - Local Journalist (1 episode, 2015)

 Himself - Local Diver (1 episode, 2015)

 Herself - Egyptologist: Cal Poly (1 episode, 2015)

 Himself - Oceanographer: Columbia University (1 episode, 2015)

 Himself - British Antartic Survey (1 episode, 2015)

 Himself - Rogue Wave Witness (1 episode, 2015)

 Himself - Writer (1 episode, 2016)

 Himself - Phd., Biologist (1 episode, 2016)

 Herself - Historian (1 episode, 2016)

 Himself - Phd., Egyptologist (1 episode, 2016)

 Himself - DigitalGlobe Analyst (1 episode, 2016)

 Himself - Phd., Historical Researcher (1 episode, 2016)

 Himself - Historian / ... (6 episodes, 2017)

10 episodes, 2015-2016

 PhD, Archeologist / ...

 Self

Self - Imagery Analyst

Self - Journalist

Self - Archaeologist